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Joint seminar of the ICMS and the MFI Department

A joint seminar of the International Center for Mathematical Sciences and the Department of Mathematical Foundations of Informatics will be held on Tuesday, January 24, 2023, at 3:00 pm. Speaker: Maryam Bajalan Title: Linear and Cyclic Codes over Rings Abstract: The study of codes over the rings (ring-linear codes) attracted great interest after the work of Calderbank, Hammons, Kumar, Sloane, and Sole in the early 1990s. In this seminar, the basic theory of linear codes over finite commutative rings will be presented including the importance of codes over rings, various kinds of rings for ring-linear coding theory, the weight functions on finite rings, MacWilliams equivalence theorem and the connection between these codes and codes over fields via the Gray maps. Moreover, the cyclic codes over finite [...]

2023-01-20T23:48:39+02:00Friday, 20 January 2023|Categories: |Tags: , , , |
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Annual Scientific Session of the International Center of Mathematical Sciences

The Annual Scientific Session of the International Center of Mathematical Sciences (ICMS) will be held on December 12, 2022, at 2:00 pm in Room 403 of IMI - BAS. Program 14:00-14:20 Oleg Mushkarov, ICMS activities in 2022 14:20-14:40 Rodolfo Aguilar, The nilpotent quotients of quasi-Kähler manifolds with proper quasi-albanese map 14:40-15:00 Антони Рангачев, Fujita-type theorem for the local volume of a line bundle 15:00 -15:10 Break 15:10 -15:30 Andrei Bengus-Lasnier, Geometric and combinatorial interpretations for valuations 15:30 - 15:50 Marin Genov, On the Jacobian conjecture in characteristic 0 for certain polynomial maps of degree 2 and 3 15:50 - 16:00 Break 16:00 - 16:20 Sebastien Torres, Semiorthogonal decompositions on moduli spaces 16:20 - 16:40 Danila Cherkashin, On stability of the spanning trees enumerator 16:40 - 17:00 Dimitar Kodjabachev, Picard [...]

2022-12-12T12:10:21+02:00Friday, 9 December 2022|Categories: |Tags: , |
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ICMS course in Algebraic Geometry

Dr. Andrey Bengus-Lasnier will deliver a series of lectures organized by ICMS (about 8 lectures) on: Introduction to Resolution of Singularities The course topic is fundamental to algebraic geometry. The course is accessible to mathematics students with a background in commutative algebra. The first lecture is on November 22 at 1:30 p.m. in room 403 of IMI-BAN. Course annotation You can see the first two lectures of Dr. Bengus-Lasnier here: https://www.youtube.com/playlist?list=PLeJfYzSLUQsBkZ9st_ZJ8OjT4deTeysQB https://youtu.be/h6TnwOY_qEM  

2022-12-09T16:28:59+02:00Tuesday, 15 November 2022|Categories: |Tags: , , , |
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ICMS-Sofia: Conference on Geometry and Physics

Conference on Geometry and Physics The goal of this conference is to consolidate and disseminate new developments in Geometry and Physics. The list of participants includes: Maxim Kontsevich, Institut des Hautes Études Scientifiques, France, Phillip Griffiths, Institute for Advanced Study, Karim Adiprasito, University of Copenhagen, Denmark, Vivek Shende, Centre for Quantum Mathematics, Syddansk Universitet, Denmark, Jørgen Ellegaard Andersen, University of Southern Denmark, Denmark, Oscar García-Prada, Instituto de Ciencias Matemáticas (ICMAT), Spain, Kenji Fukaya, Simons Center for Geometry and Physics at Stony Brook, USA, Mina Teicher, University of Miami, USA, Robert Stephen Cantrell, University of Miami, USA, Yong-Geon Oh, IBS Center for Geometry and Physics, Korea, Ernesto Lupercio, Cinvestav-IPN, México, Tony Pantev, University of Pennsylvania, USA, Ludmil Katzarkov, University of Miami, USA and Institute of Mathematics and Informatics, Bulgaria, Meral Tosun, Galatasaray University, Turkey, Dennis Borisov, University of Windsor, Canada, Artan Sheshmani, [...]

2022-07-05T10:41:09+03:00Tuesday, 5 July 2022|Categories: |Tags: |
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Colloquium talk by Prof. Ljudmila Kamenova

The International Center for Mathematical Sciences – Sofia (ICMS-Sofia) at the Bulgarian Academy of Sciences presents ICMS Colloquium June 28, 2022, 2:00 pm (EEST, Sofia time) IMI-BAS, Hall 403 Ludmila Kamenova Stony Brook University Finiteness results for hyperkaehler manifolds In this talk we are going to show that there are finitely many deformation types of hyperkaehler manifolds with fixed topological invariants such as the Fujiki constant and the discriminant of the BBF form. For hyperkaehler manifolds that admit a fibration structure it is enough to fix the degree of the polarization on the general fiber in order to obtain a finiteness result.  

2022-06-27T12:25:51+03:00Monday, 27 June 2022|Categories: , |Tags: , |
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The International Center for Mathematical Sciences received a three-year grant from Simons Foundation

The good news was announced personally by Prof. Yuri Tschinkel, Director of Mathematics and Physical Sciences division of Simons Foundation, during his visit to Sofia. The Foundation funded a project of the International Center for Mathematical Sciences (ICMS-Sofia) at the Institute of Mathematics and Informatics for a period of three years. The funds will be used to organize international scientific forums with the participation of world-renowned and established mathematicians, to open new positions for researchers and to support scientists from Ukraine and other countries.

2022-06-17T14:16:24+03:00Thursday, 16 June 2022|Categories: News|Tags: , , , |
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Second Annual Meeting of Young Bulgarian Mathematicians

The International Center for Mathematical Sciences – Sofia is organizing for a second consecutive year a meeting of young Bulgarian mathematicians from around the world. The conference will take place at the Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences (IMI-BAS) on June 13 – 14, 2022.

2022-06-09T12:31:49+03:00Thursday, 9 June 2022|Categories: News|Tags: , , , |
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ICMS Colloquium: talk by Prof. Vladimir Tonchev

The International Center for Mathematical Sciences – Sofia (ICMS-Sofia) at the Bulgarian Academy of Sciences presents ICMS Colloquium May 17, 2022, 2:00 pm (EEST, UTC+3), IMI-BAS, Hall 403 Vladimir D. Tonchev, Michigan Technological University Coding Theory, Combinatorial Designs, and Finite Geometry Abstract. Error-correcting codes are used to protect data from random errors in satellite and wireless communication systems, audio and video recording devices, and data storage devices. A large class of codes with a wide range of applications are based on finite geometry. The most notable example of such codes are the Reed-Muller codes that are being used in deep space and mobile communications. The subject of this talk is a class of codes based on combinatorial designs. These combinatorial codes possess remarkable error-correction [...]

2022-05-16T11:28:17+03:00Monday, 16 May 2022|Categories: , |Tags: , |
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